1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
| {
| "asset": {
| "version": "2.0"
| },
| "extensionsUsed": [
| "EXT_mesh_gpu_instancing"
| ],
| "extensionsRequired": [
| "EXT_mesh_gpu_instancing"
| ],
| "scene": 0,
| "scenes": [
| {
| "nodes": [
| 0
| ]
| }
| ],
| "nodes": [
| {
| "mesh": 0,
| "extensions": {
| "EXT_mesh_gpu_instancing": {
| "attributes": {
| "TRANSLATION": 3
| }
| }
| }
| }
| ],
| "meshes": [
| {
| "primitives": [
| {
| "attributes": {
| "POSITION": 0,
| "NORMAL": 1
| },
| "indices": 2,
| "mode": 4
| }
| ]
| }
| ],
| "accessors": [
| {
| "name": "Positions",
| "bufferView": 0,
| "byteOffset": 0,
| "componentType": 5126,
| "count": 24,
| "max": [
| 0.5,
| 0.5,
| 0.5
| ],
| "min": [
| -0.5,
| -0.5,
| -0.5
| ],
| "type": "VEC3"
| },
| {
| "name": "Normals",
| "bufferView": 1,
| "byteOffset": 0,
| "componentType": 5126,
| "count": 24,
| "type": "VEC3"
| },
| {
| "name": "Indices",
| "bufferView": 2,
| "byteOffset": 0,
| "componentType": 5123,
| "count": 36,
| "type": "SCALAR"
| },
| {
| "name": "Instance Translations",
| "bufferView": 3,
| "byteOffset": 0,
| "componentType": 5126,
| "count": 4,
| "type": "VEC3"
| }
| ],
| "bufferViews": [
| {
| "name": "Positions",
| "buffer": 0,
| "byteLength": 288,
| "byteOffset": 0
| },
| {
| "name": "Normals",
| "buffer": 0,
| "byteLength": 288,
| "byteOffset": 288
| },
| {
| "name": "Indices",
| "buffer": 0,
| "byteLength": 72,
| "byteOffset": 576
| },
| {
| "name": "Instance Translations",
| "buffer": 1,
| "byteLength": 48,
| "byteOffset": 0
| }
| ],
| "buffers": [
| {
| "name": "Geometry Buffer",
| "byteLength": 648,
| "uri": "geometry.bin"
| },
| {
| "name": "Instances Buffer",
| "byteLength": 48,
| "uri": "instances.bin"
| }
| ]
| }
|
|
